40202142331 has 24 divisors (see below), whose sum is σ = 45013221504. Its totient is φ = 35851495680.

The previous prime is 40202142289. The next prime is 40202142413. The reversal of 40202142331 is 13324120204.

It is not a de Polignac number, because 40202142331 - 2¹¹ = 40202140283 is a prime.

It is a super-2 number, since 2×40202142331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40202142131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3226245 + ... + 3238681.

It is an arithmetic number, because the mean of its divisors is an integer number (1875550896).

Almost surely, 2^40202142331 is an apocalyptic number.

40202142331 is a deficient number, since it is larger than the sum of its proper divisors (4811079173).

40202142331 is a wasteful number, since it uses less digits than its factorization.

40202142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111 (or 13098 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40202142331 its reverse (13324120204), we get a palindrome (53526262535).

The spelling of 40202142331 in words is "forty billion, two hundred two million, one hundred forty-two thousand, three hundred thirty-one".